CN220913436U - Night vision device with inclined ocular - Google Patents

Abstract

The utility model discloses a night vision device with obliquely arranged eyepieces, which comprises a shell, wherein an installation cavity is arranged in the shell, two groups of eyepieces are respectively arranged at the left and right sides in the installation cavity, and the axes of the left and right groups of eyepieces are gradually gathered towards the center from back to front and then are mutually crossed to form an included angle B. According to the utility model, the problem of using different interpupillary distances can be solved through the two groups of the obliquely arranged ocular lenses, the generation of double images is avoided, and the utility model is suitable for people with different interpupillary distances.

Description

Night vision device with inclined ocular

Technical Field

The utility model relates to a night vision device with an eyepiece obliquely arranged.

Background

The prior night vision device adopts left and right eyepieces to observe the imaging content of a front display screen. The existing left eyepiece and the existing right eyepiece are arranged in parallel, the problem that ghosts appear when users with different interpupillary distances watch the glasses can be caused by the parallel arrangement mode, watching quality is affected, experience effect is poor, and the use requirement of the users cannot be met.

Disclosure of utility model

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the night vision device with the left eye lens and the right eye lens obliquely arranged and forming an included angle so as to adapt to users with different interpupillary distances for watching.

The night vision device with the inclined ocular designed according to the purpose comprises a shell, wherein an installation cavity is arranged in the shell, two groups of ocular are respectively arranged on the left and the right in the installation cavity, and the axes of the left and the right ocular are gradually closed towards the center from back to front and then are mutually crossed to form an included angle B.

Preferably, the included angle B is 2 ° to 10 °.

Preferably, the included angle B is 5 °.

Preferably, the rear end of the shell is provided with an observation cylinder at left and right, the observation cylinder is communicated with the mounting cavity, a eyepiece barrel is movably arranged in the observation cylinder back and forth, the eyepiece is fixedly arranged in the eyepiece barrel, a display support is fixedly arranged in the mounting cavity in front of the eyepiece barrel, a display screen is fixedly arranged at the front end of the display support, and a connecting sleeve sleeved with the eyepiece barrel is arranged at the rear end of the front end of the display support;

The observation tube is provided with a first linear groove, the outer wall of the observation tube is sleeved with a vision hand wheel, the inner wall of the vision hand wheel is provided with a spiral adjusting groove, and the outer wall of the eye tube is provided with a first guide part which penetrates through the first linear groove and is inserted into the spiral adjusting groove;

the outer wall of the eye lens barrel is also provided with a linear sliding block, the inner wall of the connecting sleeve is provided with a linear sliding groove, and the linear sliding block is movably inserted into the linear sliding groove.

Preferably, an eye shield is connected to the rear side of the observation tube.

Preferably, a lens seat is mounted on the front side of the shell, a lens is connected to the lens seat through threads, a focal length positioning sleeve is fixedly sleeved on the outer wall of the lens, a limiting part is arranged on the rear side wall surface of the focal length positioning sleeve, and a stopping part which is matched with the limiting part and is used for limiting the rotation range of the lens is arranged on the front end surface of the lens seat;

The shell at the rear side of the lens seat is internally provided with a light filtering seat, and the shell at the rear side of the light filtering seat is internally provided with an image viewfinder.

Preferably, the front side of the shell is also provided with an infrared light supplementing component, the infrared light supplementing component comprises a lamp holder arranged on the front side of the shell, the front side of the lamp holder is provided with a light filter, and the rear side of the lamp holder is provided with an infrared light supplementing lamp.

Preferably, a circuit board and a battery are also installed in the housing.

Preferably, a bracket is further connected to the housing.

Compared with the prior art, the utility model comprises a shell, wherein a mounting cavity is arranged in the shell, two groups of ocular lenses are respectively arranged at the left and right sides in the mounting cavity, and the axes of the left and right ocular lenses are gradually drawn towards the center from back to front and then mutually crossed to form an included angle B. According to the utility model, the problem of using different interpupillary distances can be solved through the two groups of the obliquely arranged ocular lenses, the generation of double images is avoided, and the utility model is suitable for people with different interpupillary distances.

Drawings

FIG. 1 is a schematic cross-sectional view of the present utility model;

FIG. 2 is one of the exploded views of the present utility model;

FIG. 3 is a schematic view of an exploded cross-sectional structure of the present utility model;

FIG. 4 is a schematic perspective view of a lens mount and a focus positioning sleeve according to the present utility model;

FIG. 5 is a schematic cross-sectional view of a display stand and a eyepiece barrel according to the present utility model;

FIG. 6 is a second exploded view of the present utility model;

Fig. 7 is a schematic perspective view of the present utility model.

Detailed Description

The utility model is further described below with reference to the drawings and examples.

Referring to fig. 1-7, a night vision device with obliquely arranged eyepieces comprises a housing 10, wherein a mounting cavity 100 is arranged in the housing 10, two groups of eyepieces 240 are respectively arranged in the mounting cavity 100 in the left and right directions, and the axes of the left and right groups of eyepieces 240 are gradually drawn towards the center from back to front and then mutually crossed to form an included angle B. According to the utility model, the problem of using different interpupillary distances can be solved through the two groups of the obliquely arranged ocular lenses, the generation of double images is avoided, and the utility model is suitable for people with different interpupillary distances.

Preferably, the included angle B is 2-10 degrees.

Specifically, the included angle B is 5 °.

Referring to fig. 1 to 5, the rear end of the housing 10 is provided with an observation tube 130, the observation tube 130 is mutually communicated with the installation cavity 100, an eyepiece tube 230 is movably disposed in the observation tube 130 back and forth, the eyepiece 240 is fixedly disposed in the eyepiece tube 230, a display support 210 is fixedly mounted in the installation cavity 100 in front of the eyepiece tube 230, a display screen 220 is fixedly mounted at the front end of the display support 210, and a connection sleeve 211 sleeved with the eyepiece tube 230 is disposed at the front end and rear end of the display support 210;

The observation tube 130 is provided with a first linear groove 131, the outer wall of the observation tube 130 is sleeved with a vision hand wheel 140, the inner wall of the vision hand wheel 140 is provided with a spiral adjusting groove 141, and the outer wall of the eye tube 230 is provided with a first guide part 231 inserted into the spiral adjusting groove 141 through the first linear groove 131;

The outer wall of the eye tube 230 is further provided with a linear sliding block 232, the inner wall of the connecting sleeve 211 is provided with a linear sliding groove 212, and the linear sliding block 232 is movably inserted into the linear sliding groove 212.

The vision hand wheel 140 is rotated, which drives the eyepiece barrel 230 to move the eyepiece forward or backward relative to the observation tube 130 and the connection sleeve 211, so as to change the position of the eyepiece 240 to meet the requirements of different people for use.

The vision hand wheel 140 rotates, and the position of the spiral adjusting groove 141 changes, which drives the first guiding portion 231 to drive the eyepiece barrel 230 to move back and forth along the first linear groove 131 along with the eyepiece 240.

Referring to fig. 1, an eye mask 150 is connected to the rear side of the observation tube 130.

Referring to fig. 4 and 6, a lens holder 110 is mounted on the front side of the housing 10, a lens 30 is screwed on the lens holder 110, a focal length positioning sleeve 310 is fixedly sleeved on the outer wall of the lens 30, a limit part 311 is arranged on the rear side wall surface of the focal length positioning sleeve 310, and a stop part 120 which is matched with the limit part 311 and is in a contracted lens 30 rotation range is arranged on the front end surface of the lens holder 110;

The housing 10 at the rear side of the lens holder 110 is provided with a filter holder 40, the housing 10 at the rear side of the filter holder 40 is provided with an image viewfinder 50, and the filter holder and the image viewfinder can be controlled by software to switch the optical filters, so that the night vision device can obtain the full-color effect of day and night.

The lens 30 rotates relative to the lens mount 110, and the nature of the threaded connection enables it to change front-to-back positions. And the stop portion 120 and the limit portion 311 can restrict the maximum range of forward rotation or reverse rotation of the lens 30, thereby restricting the adjustment range of the focal length thereof.

Referring to fig. 1, the front side of the housing 10 is further provided with an infrared light compensating assembly 90, the infrared light compensating assembly 90 includes a lamp holder 910 disposed on the front side of the housing 10, the front side of the lamp holder 910 is provided with an optical filter 930, and the rear side of the lamp holder 910 is provided with an infrared light compensating lamp 920.

Referring to fig. 1 and 3, a circuit board 70 and a battery 60 are also installed in the housing 10.

Preferably, the circuit board 70 and the battery 60 are disposed between the two sets of eyepieces 230, so that the volume of the night vision device can be reduced as much as possible, and the size is reduced, so that the night vision device is convenient to carry and use.

Referring to fig. 7, a bracket 80 is further connected to the housing 10. The support 80 is for fixed mounting on a helmet or the like for use.

What is not described in detail in this specification is prior art known to those skilled in the art.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model, and the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying the number of technical features being indicated.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (9)

1. The utility model provides a night-time vision device that eyepiece slope set up, includes casing (10), have installation cavity (100) in casing (10), be equipped with two sets of oculars (240) respectively about in installation cavity (100), its characterized in that: the axes of the left and right eye pieces (240) gradually get close to the center from back to front, and then are mutually crossed to form an included angle B.

2. The night vision device of claim 1, wherein the eyepiece is tilted. The included angle B is 2-10 degrees.

3. The night vision device of claim 2, wherein the eyepiece is tilted such that: the included angle B is 5 degrees.

4. A night vision device having an eyepiece tilt arrangement according to any one of claims 1 to 3, wherein: the novel camera is characterized in that an observation cylinder (130) is respectively arranged at the left end and the right end of the shell (10), the observation cylinder (130) is communicated with the mounting cavity (100), a eyepiece barrel (230) is movably arranged in the observation cylinder (130) front and back, an eyepiece (240) is fixedly arranged in the eyepiece barrel (230), a display support (210) is fixedly arranged in the mounting cavity (100) in front of the eyepiece barrel (230), a display screen (220) is fixedly arranged at the front end of the display support (210), and a connecting sleeve (211) sleeved with the eyepiece barrel (230) is arranged at the rear end of the front end of the display support (210);

The observation tube (130) is provided with a first linear groove (131), the outer wall of the observation tube (130) is sleeved with a vision hand wheel (140), the inner wall of the vision hand wheel (140) is provided with a spiral adjusting groove (141), and the outer wall of the eye tube (230) is provided with a first guide part (231) which penetrates through the first linear groove (131) and is inserted into the spiral adjusting groove (141);

The outer wall of the eye lens barrel (230) is also provided with a linear sliding block (232), the inner wall of the connecting sleeve (211) is provided with a linear sliding groove (212), and the linear sliding block (232) is movably inserted into the linear sliding groove (212).

5. The night vision device of claim 4 wherein the eyepiece is tilted, wherein: an eye mask (150) is connected to the rear side of the observation tube (130).

6. A night vision device having an eyepiece tilt arrangement according to any one of claims 1 to 3, wherein: the front side of the shell (10) is provided with a lens seat (110), the lens seat (110) is in threaded connection with a lens (30), the outer wall of the lens (30) is fixedly sleeved with a focus positioning sleeve (310), the rear side wall surface of the focus positioning sleeve (310) is provided with a limiting part (311), and the front end surface of the lens seat (110) is provided with a stop part (120) which is matched with the limiting part (311) and is used for limiting the rotation range of the lens (30);

A filter seat (40) is arranged in the shell (10) at the rear side of the lens seat (110), and an image viewfinder (50) is arranged in the shell (10) at the rear side of the filter seat (40).

7. A night vision device having an eyepiece tilt arrangement according to any one of claims 1 to 3, wherein: the front side of casing (10) still is equipped with infrared light filling subassembly (90), infrared light filling subassembly (90) are including setting up lamp stand (910) of casing (10) front side, the front side of lamp stand (910) is equipped with light filter (930), the rear side of lamp stand (910) is equipped with infrared light filling lamp (920).

8. A night vision device having an eyepiece tilt arrangement according to any one of claims 1 to 3, wherein: a circuit main board (70) and a storage battery (60) are also arranged in the shell (10).

9. A night vision device having an eyepiece tilt arrangement according to any one of claims 1 to 3, wherein: the shell (10) is also connected with a bracket (80).